StarTech.com 6in PS/2 Keyboard Mouse Splitter Cable Adapter - Keyboard / mouse splitter - PS/2 (M) to PS/2 (F) - 5.9 in - beige - KYC1MF
This 6in Keyboard/Mouse Splitter Cable turns a single PS/2 port into two PS/2 peripheral connections, allowing a PS/2 keyboard and mouse to be used using a single port on a PS/2-enabled laptop/desktop computer.